marionette_port.py

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import os

from copy import deepcopy

import pytest

pytestmark = pytest.mark.asyncio

@pytest.mark.parametrize("port", ["0", "2828"], ids=["system allocated", "fixed"])

async def test_marionette_port(geckodriver, port):

    extra_args = ["--marionette-port", port]

    driver = geckodriver(extra_args=extra_args)

    driver.new_session()

    await driver.delete_session()

async def test_marionette_port_outdated_active_port_file(

    configuration, create_custom_profile, geckodriver

):

    config = deepcopy(configuration)

    custom_profile = create_custom_profile()

    extra_args = ["--marionette-port", "0"]

    # Prepare a Marionette active port file that contains a port which will

    # never be used when requesting a system allocated port.

    active_port_file = os.path.join(custom_profile.profile, "MarionetteActivePort")

    with open(active_port_file, "wb") as f:

        f.write(b"53")

    config["capabilities"]["moz:firefoxOptions"]["args"] = [

        "--profile",

        custom_profile.profile,

    driver = geckodriver(config=config, extra_args=extra_args)

    driver.new_session()

    with open(active_port_file, "rb") as f:

        assert f.readline() != b"53"

    await driver.delete_session()

    with pytest.raises(FileNotFoundError):

        open(active_port_file, "rb")